CVE-2026-49165: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1607
CVE-2026-49165 is a high-severity vulnerability in Microsoft Windows 10 Version 1607 where the Windows App Store uses an uninitialized resource. This flaw allows an authorized local attacker to disclose sensitive information. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability involves the use of an uninitialized resource in the Windows App Store component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw permits an attacker with local privileges to disclose information, potentially leading to confidentiality breaches. The CVSS 3.1 base score is 7.1, reflecting high impact on confidentiality and integrity with no impact on availability. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to disclose sensitive information due to the use of an uninitialized resource. This compromises confidentiality and integrity but does not affect system availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49165 to remediate this vulnerability.
CVE-2026-49165: CWE-908: Use of Uninitialized Resource in Microsoft Windows 10 Version 1607
Description
CVE-2026-49165 is a high-severity vulnerability in Microsoft Windows 10 Version 1607 where the Windows App Store uses an uninitialized resource. This flaw allows an authorized local attacker to disclose sensitive information. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves the use of an uninitialized resource in the Windows App Store component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw permits an attacker with local privileges to disclose information, potentially leading to confidentiality breaches. The CVSS 3.1 base score is 7.1, reflecting high impact on confidentiality and integrity with no impact on availability. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to disclose sensitive information due to the use of an uninitialized resource. This compromises confidentiality and integrity but does not affect system availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49165 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-27T23:44:09.622Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49165","vendor":"Microsoft"}]
Threat ID: 6a566f6a68715ace43e6b3ae
Added to database: 07/14/2026, 17:18:34 UTC
Last enriched: 07/15/2026, 01:49:47 UTC
Last updated: 07/15/2026, 01:49:47 UTC
Views: 2
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